Cleveland Controls AFS-298-391 Sensing Switch 319847-401 By providing the control board

By providing the control board with accurate data regarding the premix gas mixture

5" wc pressure setting

ensuring compatibility with virtually any controller

5-ton replacement in the field

Cleveland Controls AFS-298-391 Sensing Switch 319847-401 By providing the control boardThe Cleveland Controls AFS 298 391 is a high performance air pressure sensing switch designed for precision in commercial HVAC and energy management systems. Engineered as a general purpose differential pressure switch, it monitors positive, negative, or vacuum air pressure with a field adjustable set point range from 0. 05" w. c. to 12. 0" w. c. This unit is factory calibrated to change contacts on increasing pressure at 0. 30" w. c. ( 0. 02" w. c.),